查询词典 wastewater

A new type of effective complex coagulant polysilicate aluminum ferric salt was prepared from coal gangue awl pyrite slag and used as coagulant in the treatment of vegetable oil wastewater.

用煤矸石及硫铁矿烧渣作原料制备了一种高效复合混凝剂聚硅酸铝铁，并将其用于植物油脂废水的处理。

Wastewater treatment by modified polysilicic aluminum chloride.

结果表明，最佳制备条件为：pH值5~6，SiO2浓度2.5%，温度20~30℃，Al/Si摩尔比1.0。

By using the hydrochloric acid pickling wastewater and scrap iron asraw materials ,the polysilicic acid - polyferric chloride flocculant isprepared under different conditions.

以盐酸酸洗废液和废铁屑为原料，制备了聚硅酸聚合氯化铁复合型絮凝剂，研究了聚铁中铁浓度、聚合硅酸浓度、聚合硅酸pH值、n∶n及复合熟化时间等因素对絮凝性能的影响。

In order to make oil-extracting water meet the requirement of producing polymer solution,polyvinylidene fluoride is examined to treat oil-extracting wastewater to reach this goal.

一方面，由于配制聚合物需要大量的低矿化度清水，消耗大量的水资源；另一方面，聚合物驱油同时也产生了大量的含聚合物及油的污水。

The absorption characteristics of three kinds of wetland plants,including Iris pseudacorus,Pontederia cordata and Scirpus validus,for removing nitrogen and phosphorus from wastewater resembling secondary effluent were studied by lab and pilot tests.

结果表明：短期内，各种湿地植物污水中氮、磷的吸收速率比较稳定，但在整个生长周期内，各种植物对氮、磷的吸收速率却有较大变化，4月份，水葱对氮、磷的吸收速率最大，8月份，梭鱼草对氮、磷的吸收速率最大。

By using potato-starch,poriferous mineral material and polyaluminum chlorides as main feedstocks,a new multicore polymer flocculant named SCP is synthesized. The evaluated experiments with the simulated wastewater sample of diatomite show that,the flocculant SCP has higher cost performance than commercial flocculant PAC.

利用改性土豆淀粉、多孔矿物材料和聚合氯化铝等制备出了一种新型多核高分子絮凝剂SCP，用硅藻土模拟水样进行的对比评价表明，SCP絮凝剂比市售聚合氯化铝具有更高的性价比。

Protozoa could be used to improve the effluent quality, evaluate and assess the operating and function of the wastewater treatment plant.

原生动物能用来改善水质、评价和指示污水厂的运行和处理效果。

The performance and the sludge characteristics of an upflow anaerobic sludge blanket reactor were investigated for the treatment of low concentration (COD 400～600 mg·L-1) domestic wastewater at psychrophilic temperature (15±1℃).

考察了厌氧处理低温(15±1℃低浓度(COD 400～600 mg·L-1)模拟生活污水试验规模UASB反应器的工作状况及污泥特性。

The application of psychrophilic methanogens in anaerobic bio-treatment process could essentially break through the bottle-neck of anaerobic technology at lower temperature,greatly extend the application fields of anaerobic technology,and reduce the operational cost of wastewater treatment.

利用嗜冷产甲烷菌实现低温厌氧生物处理过程，可从本质上突破低温厌氧工艺的技术瓶颈，进而大大拓展厌氧生物处理技术的应用范围并降低废水处理的成本。

The application of psychrophilic methanogens in anaerobic biotreatment process could essentially break through the bottle-neck of anaerobic technology at lower temperature, greatly extend the application fields of anaerobic technology, and reduce the operational cost of wastewater treatment.

利用嗜冷产甲烷菌实现低温厌氧生物处理过程，可从本质上突破低温厌氧工艺的技术瓶颈，进而大大拓展厌氧生物处理技术的应用范围并降低废水处理的成本。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。